PMCMRplus (version 1.9.3)

pageTest: Page Rank Sum Test

Description

Performs Page's ordered aligned rank sum test.

Usage

pageTest(y, ...)
# S3 method for default
pageTest(
  y,
  groups,
  blocks,
  alternative = c("two.sided", "greater", "less"),
  ...
)

Arguments

y

a numeric vector of data values, or a list of numeric data vectors.

groups

a vector or factor object giving the group for the corresponding elements of "x". Ignored with a warning if "x" is a list.

blocks

a vector or factor object giving the block for the corresponding elements of "x". Ignored with a warning if "x" is a list.

alternative

the alternative hypothesis. Defaults to two.sided.

…

further arguments to be passed to or from methods.

Value

A list with class "htest" containing the following components:

method

a character string indicating what type of test was performed.

data.name

a character string giving the name(s) of the data.

statistic

the estimated quantile of the test statistic.

p.value

the p-value for the test.

parameter

the parameters of the test statistic, if any.

alternative

a character string describing the alternative hypothesis.

estimates

the estimates, if any.

null.value

the estimate under the null hypothesis, if any.

References

Page, E. B. (1963) Ordered hypotheses for multiple treatments: A significance test for linear ranks, Journal of the American Statistical Association 58, 216--230.

Sachs, L. (1997) Angewandte Statistik. Berlin: Springer.

See Also

friedmanTest

Examples

# NOT RUN {
## Sachs (1997), pp. 671 ff.
## 9 reviewers (blocks)
## assigned ranks to 4 objects (groups).
data(reviewers)
## See Sachs (1997) p. 677
pageTest(reviewers, alternative = "greater")

# }